She needs your help with locating her gift for the guardian. You can find it at the end of the zone at ( -448, -13, -149 ) /waypoint -448, -13, -149 guarded by two level 70 wild bears (aggro). Harvest that acorn and examine it.
Return to Kaarla.
Now you may speak with Wuoshi, the Guardian of Growth. (Requires you to speak Draconic) (If you don't see the chat bubble after hailing him and him responding to you, reposition yourself until you do, try going underneath Wuoshi and hailing)